2 * Copyright (c) 2012 Cisco and/or its affiliates.
3 * Licensed under the Apache License, Version 2.0 (the "License");
4 * you may not use this file except in compliance with the License.
5 * You may obtain a copy of the License at:
7 * http://www.apache.org/licenses/LICENSE-2.0
9 * Unless required by applicable law or agreed to in writing, software
10 * distributed under the License is distributed on an "AS IS" BASIS,
11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12 * See the License for the specific language governing permissions and
13 * limitations under the License.
18 #include <sys/types.h>
21 #include <netinet/in.h>
28 #include <vppinfra/clib.h>
29 #include <vppinfra/vec.h>
30 #include <vppinfra/hash.h>
31 #include <vppinfra/bitmap.h>
32 #include <vppinfra/fifo.h>
33 #include <vppinfra/time.h>
34 #include <vppinfra/mheap.h>
35 #include <vppinfra/heap.h>
36 #include <vppinfra/pool.h>
37 #include <vppinfra/format.h>
38 #include <vlibapi/api.h>
39 #include <vlibmemory/api.h>
41 #include <vlib/vlib.h>
42 #include <vlib/unix/unix.h>
43 #include <vnet/api_errno.h>
45 #include <svm/svmdb.h>
49 svmdb_client_t *svmdb_client;
52 f64 *sig_error_rate_ptr;
55 u64 current_sig_errors;
56 uword *sig_error_bitmap;
57 vlib_main_t *vlib_main;
58 vlib_main_t **my_vlib_mains;
62 #include <vlib/vlib.h>
63 #include <vnet/vnet.h>
64 #include <vnet/devices/devices.h>
66 gmon_main_t gmon_main;
69 get_significant_errors (gmon_main_t * gm)
71 vlib_main_t *this_vlib_main;
72 vlib_error_main_t *em;
75 u64 significant_errors = 0;
78 clib_bitmap_foreach (code, gm->sig_error_bitmap,
80 for (vm_index = 0; vm_index < vec_len (gm->my_vlib_mains); vm_index++)
82 this_vlib_main = gm->my_vlib_mains[vm_index];
83 em = &this_vlib_main->error_main;
84 significant_errors += em->counters[code] -
85 ((vec_len(em->counters_last_clear) > code) ?
86 em->counters_last_clear[code] : 0);
91 return (significant_errors);
95 publish_pid (vlib_main_t * vm)
97 gmon_main_t *gm = &gmon_main;
99 *gm->vpef_pid_ptr = getpid ();
104 VLIB_API_INIT_FUNCTION (publish_pid);
108 gmon_process (vlib_main_t * vm, vlib_node_runtime_t * rt, vlib_frame_t * f)
111 u64 input_packets, last_input_packets, new_sig_errors;
112 f64 last_runtime, dt, now;
113 gmon_main_t *gm = &gmon_main;
117 last_input_packets = 0;
120 last_input_packets = 0;
122 /* Initial wait for the world to settle down */
123 vlib_process_suspend (vm, 5.0);
125 for (i = 0; i < vec_len (vlib_mains); i++)
126 vec_add1 (gm->my_vlib_mains, vlib_mains[i]);
130 vlib_process_suspend (vm, 5.0);
131 vector_rate = vlib_last_vector_length_per_node (vm);
132 *gm->vector_rate_ptr = vector_rate;
133 now = vlib_time_now (vm);
134 dt = now - last_runtime;
135 input_packets = vnet_get_aggregate_rx_packets ();
136 *gm->input_rate_ptr = (f64) (input_packets - last_input_packets) / dt;
138 last_input_packets = input_packets;
140 new_sig_errors = get_significant_errors (gm);
141 *gm->sig_error_rate_ptr =
142 ((f64) (new_sig_errors - gm->last_sig_errors)) / dt;
143 gm->last_sig_errors = new_sig_errors;
146 return 0; /* not so much */
150 VLIB_REGISTER_NODE (gmon_process_node,static) = {
151 .function = gmon_process,
152 .type = VLIB_NODE_TYPE_PROCESS,
153 .name = "gmon-process",
157 static clib_error_t *
158 gmon_init (vlib_main_t * vm)
160 gmon_main_t *gm = &gmon_main;
161 api_main_t *am = &api_main;
165 svmdb_map_args_t _ma, *ma = &_ma;
167 if ((error = vlib_call_init_function (vm, vpe_api_init)))
170 if ((error = vlib_call_init_function (vm, vlibmemory_init)))
175 clib_memset (ma, 0, sizeof (*ma));
176 ma->root_path = am->root_path;
177 ma->uid = am->api_uid;
178 ma->gid = am->api_gid;
180 gm->svmdb_client = svmdb_map (ma);
182 /* Find or create, set to zero */
184 svmdb_local_set_vec_variable (gm->svmdb_client,
185 "vpp_vector_rate", (char *) v, sizeof (*v));
188 svmdb_local_set_vec_variable (gm->svmdb_client,
189 "vpp_input_rate", (char *) v, sizeof (*v));
192 svmdb_local_set_vec_variable (gm->svmdb_client,
193 "vpp_sig_error_rate",
194 (char *) v, sizeof (*v));
198 svmdb_local_set_vec_variable (gm->svmdb_client,
199 "vpp_pid", (char *) swp, sizeof (*swp));
202 /* the value cells will never move, so acquire references to them */
203 gm->vector_rate_ptr =
204 svmdb_local_get_variable_reference (gm->svmdb_client,
208 svmdb_local_get_variable_reference (gm->svmdb_client,
211 gm->sig_error_rate_ptr =
212 svmdb_local_get_variable_reference (gm->svmdb_client,
214 "vpp_sig_error_rate");
216 svmdb_local_get_variable_reference (gm->svmdb_client,
217 SVMDB_NAMESPACE_VEC, "vpp_pid");
221 VLIB_INIT_FUNCTION (gmon_init);
223 static clib_error_t *
224 gmon_exit (vlib_main_t * vm)
226 gmon_main_t *gm = &gmon_main;
228 if (gm->vector_rate_ptr)
230 *gm->vector_rate_ptr = 0.0;
231 *gm->vpef_pid_ptr = 0;
232 *gm->input_rate_ptr = 0.0;
233 *gm->sig_error_rate_ptr = 0.0;
234 svm_region_unmap ((void *) gm->svmdb_client->db_rp);
235 vec_free (gm->svmdb_client);
240 VLIB_MAIN_LOOP_EXIT_FUNCTION (gmon_exit);
243 significant_error_enable_disable (gmon_main_t * gm, u32 index, int enable)
245 vlib_main_t *vm = gm->vlib_main;
246 vlib_error_main_t *em = &vm->error_main;
248 if (index >= vec_len (em->counters))
249 return VNET_API_ERROR_NO_SUCH_ENTRY;
251 gm->sig_error_bitmap =
252 clib_bitmap_set (gm->sig_error_bitmap, index, enable);
256 static clib_error_t *
257 set_significant_error_command_fn (vlib_main_t * vm,
258 unformat_input_t * input,
259 vlib_cli_command_t * cmd)
264 gmon_main_t *gm = &gmon_main;
266 while (unformat_check_input (input) != UNFORMAT_END_OF_INPUT)
268 if (unformat (input, "%d", &index))
270 else if (unformat (input, "disable"))
273 return clib_error_return (0, "unknown input `%U'",
274 format_unformat_error, input);
277 rv = significant_error_enable_disable (gm, index, enable);
285 return clib_error_return
286 (0, "significant_error_enable_disable returned %d", rv);
293 VLIB_CLI_COMMAND (set_significant_error_command, static) = {
294 .path = "set significant error",
295 .short_help = "set significant error <counter-index-nnn> [disable]",
296 .function = set_significant_error_command_fn,
301 * fd.io coding-style-patch-verification: ON
304 * eval: (c-set-style "gnu")